Features:1. High speed of grinding, long service life.2. Easy to install, fiting all 100mm sander/polishers. 3. Used on high-speed electric grinder and pneumatic tools 4. This Diamond Wheel generally applicable to the grinding of marble, granite, ceramic, artificial stone and glass, etc. especially suitable for the building decorated with concrete wall, marble floor, grinding edge of granite plate, chamfering and arc grinding.